Do FilteringNetworkManager::CheckPermission from new Initialize method.

Do FilteringNetworkManager::CheckPermission from new Initialize method.

This is guaranteed to be called from PeerConnection on the correct
thread when the PeerConnection is initializing. This means it's no
longer PeerConnectionDependencyFactory's responsibility to initialize
it, and it can be initialized in a thread safe way.

BUG=617648
Review-Url: https://codereview.chromium.org/2113523003
Cr-Commit-Position: refs/heads/master@{#404395}
(cherry picked from commit c6dcde40c5dc3ad78ee039f6a7e9e71437256512)

Committed: https://chromium.googlesource.com/chromium/src/+/f5a188d3a5f73412355e523c9c6b1a39eae2a9b2

[Guido Urdaneta, 2016-07-15 10:50:17]

Description was changed from

==========
Do FilteringNetworkManager::CheckPermission from new Initialize method.

This is guaranteed to be called from PeerConnection on the correct
thread when the PeerConnection is initializing. This means it's no
longer PeerConnectionDependencyFactory's responsibility to initialize
it, and it can be initialized in a thread safe way.

BUG=617648

Review-Url: https://codereview.chromium.org/2113523003
Cr-Commit-Position: refs/heads/master@{#404395}
(cherry picked from commit c6dcde40c5dc3ad78ee039f6a7e9e71437256512)
==========

to

==========
Do FilteringNetworkManager::CheckPermission from new Initialize method.

This is guaranteed to be called from PeerConnection on the correct
thread when the PeerConnection is initializing. This means it's no
longer PeerConnectionDependencyFactory's responsibility to initialize
it, and it can be initialized in a thread safe way.

BUG=617648

Review-Url: https://codereview.chromium.org/2113523003
Cr-Commit-Position: refs/heads/master@{#404395}
(cherry picked from commit c6dcde40c5dc3ad78ee039f6a7e9e71437256512)

Committed:
https://chromium.googlesource.com/chromium/src/+/f5a188d3a5f73412355e523c9c6b...
==========

[Guido Urdaneta, 2016-07-15 10:50:19]

Committed patchset #1 (id:1) manually as
f5a188d3a5f73412355e523c9c6b1a39eae2a9b2.